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12 questions from this quiz
A high-temp process to extract metals
Unwanted materials separated from metals
500-2000°C
They dramatically speed up reaction rates
One sustained by exothermic reactions
Thermal decomposition by heating
Oxidation of metal sulfide ores
Complete oxidation with excess oxygen
Coke or charcoal (carbon sources)
It produces liquid metal phase
Iron, copper, zinc, chromium, tin
It's cheaper and suits large quantities
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